@article{article7c30e9a0,
title   = {Economical control chart with supplementary rules to monitor the average number of defects},
author = {Rocha, André Luiz Sena da and Medeiros, Pledson Guedes de and Ho, Linda Lee},
year = {2015},
doi = {10.1007/s00170-014-6237-1},
journal   = {International Journal of Advanced Manufacturing Technology}
}